@substrate/api-sidecar
Version:
REST service that makes it easy to interact with blockchain nodes built using Substrate's FRAME framework.
136 lines • 6.4 kB
JavaScript
"use strict";
// Copyright 2017-2025 Parity Technologies (UK) Ltd.
// This file is part of Substrate API Sidecar.
//
// Substrate API Sidecar is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const util_1 = require("@polkadot/util");
const middleware_1 = require("../../middleware");
const services_1 = require("../../services");
const AbstractController_1 = __importDefault(require("../AbstractController"));
/**
* `/pallets/{palletId}/consts`
*
* Returns the metadata for each constant item of the pallet.
*
* `/pallets/{palletId}/consts/{constantItemId}`
*
* Returns the info for the constantItemId.
*
* See `docs/src/openapi-v1.yaml` for usage information.
*/
class PalletsConstantsController extends AbstractController_1.default {
constructor(api) {
super(api, '/pallets/:palletId/consts', new services_1.PalletsConstantsService(api));
this.getConstById = async ({ query: { at, metadata, useRcBlock }, params: { palletId, constantItemId } }, res) => {
const metadataArg = metadata === 'true';
if (useRcBlock === 'true') {
const rcAtResults = await this.getHashFromRcAt(at);
// Return empty array if no Asset Hub blocks found
if (rcAtResults.length === 0) {
PalletsConstantsController.sanitizedSend(res, []);
return;
}
// Process each Asset Hub block found
const results = [];
for (const { ahHash, rcBlockNumber } of rcAtResults) {
const historicApi = await this.api.at(ahHash);
const result = await this.service.fetchConstantItem(historicApi, {
hash: ahHash,
// stringCamelCase ensures we don't have snake case or kebab case
palletId: (0, util_1.stringCamelCase)(palletId),
constantItemId: (0, util_1.stringCamelCase)(constantItemId),
metadata: metadataArg,
});
const apiAt = await this.api.at(ahHash);
const ahTimestamp = await apiAt.query.timestamp.now();
const enhancedResult = {
...result,
rcBlockNumber,
ahTimestamp: ahTimestamp.toString(),
};
results.push(enhancedResult);
}
PalletsConstantsController.sanitizedSend(res, results);
}
else {
const hash = await this.getHashFromAt(at);
const historicApi = await this.api.at(hash);
const result = await this.service.fetchConstantItem(historicApi, {
hash,
// stringCamelCase ensures we don't have snake case or kebab case
palletId: (0, util_1.stringCamelCase)(palletId),
constantItemId: (0, util_1.stringCamelCase)(constantItemId),
metadata: metadataArg,
});
PalletsConstantsController.sanitizedSend(res, result);
}
};
this.getConsts = async ({ params: { palletId }, query: { at, onlyIds, useRcBlock } }, res) => {
const onlyIdsArg = onlyIds === 'true';
if (useRcBlock === 'true') {
const rcAtResults = await this.getHashFromRcAt(at);
// Return empty array if no Asset Hub blocks found
if (rcAtResults.length === 0) {
PalletsConstantsController.sanitizedSend(res, []);
return;
}
// Process each Asset Hub block found
const results = [];
for (const { ahHash, rcBlockNumber } of rcAtResults) {
const historicApi = await this.api.at(ahHash);
const result = await this.service.fetchConstants(historicApi, {
hash: ahHash,
palletId: (0, util_1.stringCamelCase)(palletId),
onlyIds: onlyIdsArg,
});
const apiAt = await this.api.at(ahHash);
const ahTimestamp = await apiAt.query.timestamp.now();
const enhancedResult = {
...result,
rcBlockNumber,
ahTimestamp: ahTimestamp.toString(),
};
results.push(enhancedResult);
}
PalletsConstantsController.sanitizedSend(res, results);
}
else {
const hash = await this.getHashFromAt(at);
const historicApi = await this.api.at(hash);
const result = await this.service.fetchConstants(historicApi, {
hash,
palletId: (0, util_1.stringCamelCase)(palletId),
onlyIds: onlyIdsArg,
});
PalletsConstantsController.sanitizedSend(res, result);
}
};
this.initRoutes();
}
initRoutes() {
this.router.use(this.path, middleware_1.validateUseRcBlock);
this.safeMountAsyncGetHandlers([
['/:constantItemId', this.getConstById],
['/', this.getConsts],
]);
}
}
PalletsConstantsController.controllerName = 'PalletsConsts';
PalletsConstantsController.requiredPallets = [];
exports.default = PalletsConstantsController;
//# sourceMappingURL=PalletsConstsController.js.map